The USANs for January 2012 have just been published.
| USAN | Research Code | Structure | Drug Class | Therapeutic class | Target |
| arhalofenate | MBX-102, JNJ-39,659,100 |  | synthetic small molecule | therapeutic | PPAR-gamma |
| bitopertin | Ro-4917838 |  | synthetic small molecule | therapeutic | GlyT1 |
| naldemedine | S-297,995 |  | natural product-derived small molecule | therapeutic | peripheral opioid receptors |
| pateclizumab | RG-7416, PRO-283698, MLTA-3698A | | mab | therapeutic | lymphotoxin alpha |
| pictilisib | GDC-0941, RG-7321 |  | synthetic small molecule | therapeutic | PI3K, mTor |
| tivozanib, tivozanib hydrochloride | AV-951, Kil-8951 |  | synthetic small molecule | therapeutic | VEGFR |
Update: Fixed research code for Pactelizumab - thanks to Robert Jones (details in the comments).
